If Monero was handling the transaction volume that Bitcoin is today, it would generate over half a terabyte of block data per year.
This is a crucial challenge that Monero will need to overcome as more people use it.
Discussion
I think this will be overcome with hardware enhancements. 1 TB is not a lot.
I think its more likely a upload/download speed issue for nodes.
Few seem to understand this
Or vs a store of value embrace the privacy tool aspect and integrate with BTC.
I have 4TB drives. So I guess I am good for 4 years. I am sure by then drives will be much larger.